G47.20 Circadian rhythm sleep disorder, unspecified type
ICD-10-CM · CMS code reference
Official ICD-10-CM description: Circadian rhythm sleep disorder, unspecified type
Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Also covers
- Sleep wake schedule disorder NOS
Excludes2
Not part of this code, but both can be coded when both are documented.
Related codes
G47.21Circadian rhythm sleep disorder, delayed sleep phase type ICD-10-CMG47.22Circadian rhythm sleep disorder, advanced sleep phase type ICD-10-CMG47.23Circadian rhythm sleep disorder, irregular sleep wake type ICD-10-CMG47.24Circadian rhythm sleep disorder, free running type ICD-10-CMG47.25Circadian rhythm sleep disorder, jet lag type ICD-10-CMG47.26Circadian rhythm sleep disorder, shift work type ICD-10-CMG47.27Circadian rhythm sleep disorder in conditions classified elsewhere ICD-10-CMG47.29Other circadian rhythm sleep disorder ICD-10-CM
Common questions
Is G47.20 a billable code?
Yes. G47.20 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.